Up Next
Back to Show
PBS News Hour
Can humans become a multi-planet species?
NASA astrobiologist Chris McKay studies the most extreme parts of Earth to understand how life might survive in other perts of the universe. But he's also studying another life form living in space: humans.
Support Provided By
26:31
November 16, 2025 - PBS News Weekend full episode
26:46
November 15, 2025 - PBS News Weekend full episode
57:46
November 14, 2025 - PBS News Hour full episode
57:46
November 13, 2025 - PBS News Hour full episode
57:46
November 12, 2025 - PBS News Hour full episode
57:46
November 11, 2025 - PBS News Hour full episode
57:46
November 10, 2025 - PBS News Hour full episode
26:45
November 9, 2025 - PBS News Weekend full episode
26:44
November 8, 2025 - PBS News Weekend full episode
56:41
November 7, 2025 - PBS News Hour full episode
57:46
November 6, 2025 - PBS News Hour full episode
57:46
November 5, 2025 - PBS News Hour full episode